Question

b= (bij)3x3 tal que aij= i² + j²

Answer 1

bij= i² + j²

b11= 1²+1²= 1+1= 2
b12= 1²+2²= 1+4= 5
b13= 1²+3²= 1+9= 10

b21= 2²+1²= 4+1= 5
b22= 2²+2²= 4+4= 8
b23= 2²+3²= 4+9= 13

b31= 3²+1²= 9+1= 10
b32= 3²+2²= 9+4= 13
b33= 3²+3²= 9+9= 18

|2 5 10|
|5 8 13|
|10 13 18|

Espero ter ajudado!